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Posts Tagged ‘measurement’

We rely on modern technology especially now that we are living in such an advanced world. Instruments like laser devices can give you very precise results when used to inspecting areas that are hard to measure accurately using other measuring devices.

Choosing the right laser device for measuring is important. It would save you time and money when you fully understand which device will best suit your needs. First off, you need to determine how you plan to use it. You should know if you are going to use it outside or inside. Determine the distance as well. For example, check if it is going to be used infrequently and in an environment that would note exceed 150 feet and mostly indoors.

Since the twentieth century, since the mid-eighties, virtual instrument technology has been combined with a modular hardware, development software and PC technology, which enables users to create custom software instruments. Software-defined functions than the vendor-defined way of desktop devices for greater flexibility, and because PC-based technology, they are able to achieve faster advanced features.

Photogrammetry is a scientific method of measurements using photography. In essence, it is a measurement technology using the three-dimensional coordinates of points on an object are established through measurements taken using several (two to three) photographic images taken from different angles. The outcome is a map or drawing or a 3-dimensional model of an actual object or a scene. Most of the maps available today are creation of Photogrammetry or aerial photos taken using aircraft. Also, it can be considered as a reverse process which convert the 2-dimensional photograph to a 3-D image.

Introduction Including ballistic radar speed, we must complete the projectile velocity measurements, Doppler velocimetry under the principle of the need for measuring the Doppler frequency estimation, while the frequency estimation is a classic signal parameter estimation problem. At home and abroad have made a lot of ways, the main and sometimes domain, spectral estimation method and time of a frequency domain, time domain method in which a number of cycles the main zero-crossing detection method and two, the main disadvantage is low accuracy; and Time frequency domain method of a main short time Fourier transform, Wigner distribution of a Virgin, while the calculation generally higher, difficult to complete real-time processing.

We rely on modern technology especially now that we are living in such an advanced world. Instruments like laser devices can give you very precise results when used to inspecting areas that are hard to measure accurately using other measuring devices.

Choosing the right laser device for measuring is important. It would save you time and money when you fully understand which device will best suit your needs. First off, you need to determine how you plan to use it. You should know if you are going to use it outside or inside. Determine the distance as well. For example, check if it is going to be used infrequently and in an environment that would note exceed 150 feet and mostly indoors.

Measurement of the level of salinity in soy sauce, ketchup, dressing, soup, seasonings, pickled juices of vegetables, etc. is indispensible for quality control. One of the key factors in producing these products is maintaining consistency between batches of their product for quality control and process control. In order to keep this consistency the manufacture needs to test the product to determine the total concentration of salt. Highly concentrated samples such as soy sauce need to be diluted so that the value reads lower than 6% before testing the sample.

The ultra modern Digital Multimeter is highly accurate. It is durable and consists of many more features as well than earlier multi meters. When testing with a digital multimeter, the user receives signals as numbers. It converts signals gained from the devices checked to voltages and convertes them to digits through electronic circuits based on pre-arranged software program. For this task, digital multimeter receives support from an inbuilt small computer.

People use Digital Mutimeters to measure voltage, current, resistant, short connections, as well as Transistor hFE values. For example, when there is to measure a potential voltage drop between two points, the two wires of the multimeter should be connected to the two points where the potential voltage drop is evident.

Using the rapid advancement of cutting-edge science and technologies, several electric and electronic equipment comprehensive into each and every realm of social life, and grow to be a significant symbol of social civilization and progress. In our country, the people’s regular of living rises ceaselessly, household electric appliances towards the growing demand. All sorts of electric and electronic equipment in urban and rural locations across the nation and to the rapid popularization, brought great convenience to production. But all forms of electric and electronic equipment vastly utilized, consequently bring accidents has been drastically increased.

Seismometer and structural vibration meter
This Design Idea demonstrates the use of a TI LDC1000 as a sub-micron displacement sensor for vibration measurement and logging in seismic and structural mechanics applications, and also as the feedback sensing element for active suspension …Read more on EDN.com

Minimize measurement errors in RTD circuits
For a typical platinum resistor, the temperature range is -200˚C to 850˚C. The most common RTD is the Pt100, which has a resistance of 100 Ω at 0˚C. Generally, RTDs generate more stable and repeatable outputs compared to thermocouples and thermistors.Read more on EDN.com

Checking of thermocouple and platinum resistance thermometer (Pt100) sensors
When temperature sensors must be routinely checked and/or calibrated in accordance with in-house quality procedures or other, national standards, there are various ways of achieving such compliance. These typically involve sending the sensors to an …Read more on Engineer Live